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Posterior Uncertainty Quantification in Neural Networks using Data Augmentation
March 20, 2024, 4:42 a.m. | Luhuan Wu, Sinead Williamson
cs.LG updates on arXiv.org arxiv.org
Abstract: In this paper, we approach the problem of uncertainty quantification in deep learning through a predictive framework, which captures uncertainty in model parameters by specifying our assumptions about the predictive distribution of unseen future data. Under this view, we show that deep ensembling (Lakshminarayanan et al., 2017) is a fundamentally mis-specified model class, since it assumes that future data are supported on existing observations only -- a situation rarely encountered in practice. To address this …
abstract arxiv assumptions augmentation cs.lg data deep learning distribution framework future networks neural networks paper parameters posterior predictive quantification show stat.ml through type uncertainty view
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